EXFO FTB-8500 Series for FTB-500 - Manual (Page 490)

Glossary
476 FTB-8500 Series and FTB-8120NGE/8130NGE
VLAN/B-VLAN
VLAN/B-VLAN
Special VID/B-VID values (IEEE Std 802.1Q-1998)
VLAN/B-VLAN Priority
ID Description
0 The null VLAN ID. Indicates that the tag header contains only user
priority information; no VLAN identifier is present in the frame. This
VID value must not be configured as a PVID, configured in any
Filtering Database entry, or used in any Management operation.
1 The default PVID value used for classifying frames on ingress
through a Bridge Port. The PVID value can be changed on a per-Port
basis.
4095 Reserved for implementation use. This VID value shall not be
configured as a PVID, configured in any Filtering Database entry,
used in any Management operation, or transmitted in a tag header.
0 000 - Low Priority 4 100 - High Priority
1 001 - Low Priority 5 101 - High Priority
2 010 - Low Priority 6 110 - High Priority
3 011 - Low Priority 7 111 - High Priority